|Publication number||US8176517 B2|
|Application number||US 10/577,267|
|Publication date||May 8, 2012|
|Filing date||Nov 1, 2004|
|Priority date||Nov 7, 2003|
|Also published as||CN1918905A, EP1683347A2, EP1683347B1, US20070136749, WO2005048589A2, WO2005048589A3|
|Publication number||10577267, 577267, PCT/2004/36275, PCT/US/2004/036275, PCT/US/2004/36275, PCT/US/4/036275, PCT/US/4/36275, PCT/US2004/036275, PCT/US2004/36275, PCT/US2004036275, PCT/US200436275, PCT/US4/036275, PCT/US4/36275, PCT/US4036275, PCT/US436275, US 8176517 B2, US 8176517B2, US-B2-8176517, US8176517 B2, US8176517B2|
|Inventors||Bret David Hawkins, James Duane Tenbarge|
|Original Assignee||Thomson Licensing|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (65), Non-Patent Citations (1), Classifications (21), Legal Events (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This application claims the benefit, under 35 U.S.C. §365 of International Application PCT/US04/36275 filed Nov. 1, 2004, which was published in accordance with PCT Article 21(2) on May 26, 2005 in English and which claims the benefit of U.S. provisional patent application No. 60/518,218 filed Nov. 7, 2003.
1. Field of the Invention
The present invention relates to the field of television and, more particularly, to the automatic display of information regarding a next or future program on a currently tuned television channel.
2. Background Information
It is now commonplace for televisions to receive and process television programming information for a plurality of television channels. Television programming information is typically provided along with a television program signal. This information may be assembled by the television into a program guide. Television programming information may alternatively be provided through program guide data provided on one or more of the television channel signals either as a single guide or separate pieces thereof.
The program guide is displayable on the television in response to user actuation of a command button or key, typically on a remote control of the television. Also, when a channel change is effected, program information for the channel being tuned is also typically displayed for a given amount of time. After the given amount of time, however, display of the program information ceases. The same or additional program information may again be displayed but only upon user actuation of a command button. Program information is thus provided automatically only when changing channels and only for the current program.
When a user wants to know the television programs that are available for the various television channels, the user must consult the program guide by actuation of a command button. The user must actively initiate a command to ascertain even the program coming up next on the same television channel.
Likewise, when a current program is about to end, a user cannot tell what the next program is even on the same channel without manually pressing a command key (e.g. the INFO key) on the remote or bring up the program information such as channel banner or manually entering a program guide to obtain the information.
It is thus evident from the above discussion that what is needed is a manner of providing program information about a next program for a television channel during viewing of a current television program.
It is thus further evident from the above discussion that what is needed is a manner of automatically providing program information about a next program during viewing of a current television program.
It is yet further evident from the above discussion that what is needed is a manner of automatically providing program information about a next program during viewing of a current television channel.
These needs and others are accomplished through application of the principles of the subject invention and/or as embodied in one or more various forms and/or structures such as are shown and/or described herein.
A method and apparatus is provided for display of next or future program information for a television channel when tuned to the television channel. Display of next or future program information is automatic when such program information is pushed to the program receiving apparatus.
In one form, the method and apparatus acquires or receives program information for a currently tuned television channel, the program information may or may not be automatically displayed during and/or after tuning of the particular television channel. Acquired or received program information for a television program to be shown next or later on the currently tuned television channel is automatically displayed on the currently tuned channel. In this manner, a viewer is provided with information regarding a next or future television program on the television channel currently being watched without active intervention by the viewer.
According to another form, if a new or next television program guide or program information (update) is received before the end of a current television program, the television apparatus automatically updates the display of program information according to the information included in the newly received program guide.
According to another form, when a television apparatus detects that a current television program is going to end within a particular time period, the television apparatus automatically acquires and displays program information for a next or future television program on the currently tuned television channel.
In a particular form, the invention is a method for displaying information of a next or future program by a television apparatus. The method includes the steps of: (a) receiving, by the television apparatus, program information; (b) determining, by the television apparatus, a next or future program of a currently tuned television channel from the received program information in response to receiving the program information; and (c) displaying information of the determined next or future program from the program information.
In another particular form, the invention is a television apparatus. The television apparatus includes storage configured for storing program information for television programs, and a controller configured for displaying program information of a next or future television program of a currently tuned television channel in response to the television apparatus receiving an update of the stored program information.
In yet another particular form, the invention is a television apparatus. The television apparatus includes means for storing program information for a plurality of television programs, and means for controlling display of program information of a next or future television program of a currently tuned television channel in response to the television apparatus receiving an update of the stored program information.
The above mentioned and other features and objects of this invention, and the manner of attaining them, will become more apparent and the invention itself will be better understood by reference to the following description of an embodiment of the invention taken in conjunction with the accompanying drawings, wherein:
Corresponding reference characters indicate corresponding parts throughout the several views. Although the drawings represent embodiments of the invention, the drawings are not necessarily to scale and certain features may be exaggerated in order to better illustrate and explain the invention. The exemplifications set out herein illustrate various embodiments of the invention, but such exemplifications are not to be construed as limiting the scope of the invention in any manner.
The embodiment disclosed herein is not intended to be exhaustive or limit the invention to the precise form disclosed so that others skilled in the art may utilize its teaching. For example, although displaying program information of a next program in a currently tuned channel is discussed below, the method and apparatus can display program information of any future program according to the principles of the invention.
The display 7 is depicted showing a Current Program of a currently tuned television channel i.e. channel 113. The display 7 is also depicted as presenting or displaying next program information in the form of a program banner 9. The program banner 9 or other manner of providing next program information in accordance with the principles of the subject invention provides information regarding next program data for the currently tuned television channel to use viewer automatically. The program banner 9 is shown providing the title of the program next up (i.e. Gunsmoke), the start time of the next program (i.e. 5:00 pm) and the running time of the next television program (i.e. sixty minutes). Other and/or more or less program information may be automatically provided in the display 9.
An exemplary television apparatus or television signal receiver 1100 operable in the manner according to the principles of the present invention is depicted in
Particularly, a television apparatus, such as a television made by Thomson Inc. of Indianapolis, Ind., is operable to receive guide data from GemstarŪ or PSIP (Program and System information Protocol) tables on ATSC (Advanced Television Systems Committee) streams. ATSC is a high definition television standards body. For illustration purposes, the PSIP data is used in the following discussion, but something similar could be accomplished with data from GemstarŪ. Essentially, there is data in the PSIP EIT (Event Information Tables) which includes start and end times of a program or time information necessary for deriving the start and end times of the program. When the television apparatus receives and updates PSIP guide before the end of the current program, the television apparatus may display the new guide information (or next program data) to the user automatically. By automatically displaying this information, the user is no longer requited to manually bring up the channel banner or guide to ascertain the next program. Additionally, using this information, a television apparatus in accordance with the present principles, can detect that a current program is about to end in a predetermined time and pop the program information such as a channel banner with program title of a next program.
The apparatus 1100 of
A tuner 1105 and IF processor 1130 operate in a conventional manner for tuning and demodulating a particular digital or analog television signal that is included in the incoming RF_IN. IF (intermediate frequency) processor 1130 produces baseband video signal VIDEO representing the video program portion of the tuned television signal. IF processor 1130 also produces a baseband audio signal that is coupled to an audio processing section (not shown in
The system shown in
CPU 1112 controls functions included with in μP 1110 bus 1119 within the μP 1110. In particular, CPU 1112 controls auxiliary data processor 1115 and on-screen display (OSD) processor 1117. Auxiliary data processor 1115 extracts auxiliary data such as StarSightŪ data from video signal PIPV. Auxiliary data processor 1115 also extracts or obtains auxiliary data including program/programming, program/programming guide or electronic program guide (EPG) information from ATSC (American Television Systems Committee) PSIP (Program and System Information Protocol) data of one or more incoming ATSC television signals. Auxiliary data processor 1115 may also extract or obtains auxiliary data including program/programming, program/programming guide or electronic program guide (EPG) information from NTSC (National Television Systems Committee) VBI (vertical blanking interval) data of one or more incoming NTSC television signals. The various types, forms and/or formats of program/programming, program/programming guide or electronic program guide information or data is herein collectively termed EPG data.
A particular television channel (signal) may carry program or programming data specific only to programs for the particular channel or the particular channel and any of its sub-channels. Alternatively or additionally, a particular television channel (signal) may carry program or programming data for programs with respect to a plurality of television channels or television channels and their sub-channels. In one form, the present invention utilizes the receipt of updated EPG data (e.g. an updated EPG) to trigger display of program data or information regarding a next program for the currently tuned television channel (television channel being viewed). In another form, the present invention provides automatic display of next program information for a currently tuned channel from EPG data within a predetermined time period before the end of the current program. The present invention may utilize any one or type of EPG information/data in order to provide an on-screen display of at least some program information for a next program of a currently tuned or viewed television channel.
One form of an EPG is an interactive, on-screen display feature that displays information analogous to TV listings found in local newspapers or other print media. In addition, an EPG also includes information necessary for collating and decoding programs. An EPG provides information about each program with the time frames cover by the EPG which typically ranges from the next hour up to several days. The information contained in the EPG includes programming characteristics such as channel number, program title, start time, end time, elapsed time, time remaining, rating (if available), topic, theme and a brief description of the program's content. EPGs are usually arranged in a two-dimensional table or grid format with time information on one axis and channel information on the other axis. An example of a program guide is shown in
Unlike non-interactive guides that reside on a dedicated channel and merely scroll through the current programming on the other channels for the next 2 to 3 hours, EPGs allow viewers to select any channel at any time during some period into the future, e.g. up to seven days forward. Further EPG features include the ability to highlight individual cells of the grid containing program information. Once highlighted, the viewer can perform functions pertaining to that selected program. For instance, the viewer could instantly switch to that program if it is currently being aired. Viewers could also program one touch video cassette recording (VCR) or the like if the television is properly configured and connected to a recording device.
In addition, U.S. Pat. No. 5,515,106 issued to Chaney et al., and assigned to the same assignee as the present invention, describes in detail an exemplary embodiment including data packet structure necessary to implement an exemplary program guide system. The exemplary data packet structure is designed so that both the channel information (e.g., channel name, call letters, channel number, type, etc.) relating to a program description information (e.g. content, title, rating, star, etc.) relating to a program may be transmitted from a program guide database provider to a receiving apparatus efficiently.
OSD processor 1117 operates in a conventional manner to produce R, G and B video signals that when provided on the display will produce a displayed image representing on-screen next program display data/information in accordance with the present principles. OSD processor 1117 also produces a control signal that is intended to control a fast switch for inserting signals in to the system's video output signal at times when an on-screen display is to be displayed. For example, when updated program guide information or program data is received for a currently tuned channel, either by active acquisition or by passive receipt thereof, CPU 1112 enables processor 1117. In response the processor 1117 produces signals representing the next program guide data information just extracted and stored in memory.
Video signal processor (VSP) 1155 performs conventional video signal processing functions, such as luma and chroma processing. Output signals from VSP 1155 are suitable for coupling to a display device 7 for producing the image. VSP also include a fast switch for coupling signals produced the OSD processor 1117 to the output video signal path at times when graphics and/or text is to be included in the displayed image. The fast switch is controlled by control signal FSW which is generated by OSD processor 1117 in main microprocessor 1110 at times when text and/or graphics are to be displayed.
The input signal for VSP 1155 is signal PIPV that is output by picture-in-picture (PIP) processor 1140. PIP processor 1140 provides PIP in a conventional manner using features included in unit 1140 such as a video switch, analog-to-digital converter (ADC), RAM and digital-to-analog converter (DAC).
Video and audio decoders 85 and 80 respectively, decode the compressed data from system 25 to provide outputs for display. Data port 75 provides an interface for communication of the compresses data from system 25 to other devices such as a computer of High Definition Television (HDTV) receiver, for example. Considering
Multiplexer (mux) 37 of service detector 33 is provided, via selector 35, with either the output from decoder 30, or the decoder 30 output further processed by a descrambling unit 40 such as a smart card system. The data provided to mux 37 from selector 35 is in the form of an MPEG compliant packetized transport datastream as defined in MPEG systems standard section 2.4 and includes program/program guide data and the data content of one or more program channels. The individual packets that comprise particular program channels are identified by Packet Identifiers (PIDs). The transport stream contains Program Specific Information (PS) for use in identifying the PIDs and assembling individual data packets to recover the content of all the program channels that comprise the packetized datastream. The received program guide data can be saved in a storage medium 105 via a storage interface 95 and a storage device 90. Transport system 25, under the control of the system controller 115, receives, acquires and collates program guide information from the input transport stream, storage device 90 or an internet service provider via the communication interface unit 116. This data may be stored for comparison by or with acquired or received new or next program guide data. The individual packets that comprise either particular program channel content or Program Guide Information, are identified by their Packet Identifiers (PIDs) contained within header information. The program data may include one of more data fields such as title, star, rating, etc. related to a program.
The user interface incorporated in the video receiver shown in
Units 45 and 47 employ PID detection filters that match the PIDs of incoming packets provided by mux 37 with PID values pre-loaded in control registers within units 45 and 47 by controller 115. The pre-loaded PIDs are used in units 45 and 47 to identify the data packets that are to be stored and the data packets that are to be decoded for use in providing a video image. The pre-loaded PIDs are store in look-up table in units 45 and 47.
The packets provided by units 45 and 47 to unit 50 are encrypted using an encryption technique such as the Data Encryption, Standard (DES) defined in Federal Information Standards (FIPS) Publications. Unit 50 decrypts the encrypted packets using corresponding encryption keys provided by units 45 and 47 by applying decryption techniques appropriate for the selected encryption algorithm. Unit 60 contains four packet buffers accessible by controller 115. One of the buffers is assigned to hold data destined for use by controller 115 and the other three buffers are assigned to hold packets that are destined for use by application devices 75, 80 and 85. Access to the packets stored in the four buffers within unit 60 by both controller 115 and by application interface 70 is controlled by buffer control unit 65. The non-encrypted and decrypted packets provided by units 45 and 50 by decoder 55 contain a transport header as defined in MPEG systems standards. Decoder 55 determines from the transport header whether the non-encrypted and decrypted packets contain an adaptation field (per the MPEG systems standard).
Packets received by decoder 55 from units 45 and 50 that contain program content including audio, video, caption and other information, are directed by unit 65 from decoder 55 to the designated application device buffers in packet buffer 60. Application control unit 70 sequentially retrieves the audio, video caption and other data from the designated buffers in buffer 60, which may provide the data to corresponding application devices 75, 80 and 85.
Packets that contain PSI information that are recognized by unit 45 as destined for the controller 115 buffer in unit 60. The PSI packets are directed to this buffer by unit 65 via units 45, 50 and 55 in a similar manner to that described for packets containing program content. Controller 115 reads the PSI from unit 60 and stores it in internal memory. Controller 115 also generates condensed PSI (CPSI) from the stored PSI and incorporates the CPSI in a packetized datastream suitable for storage on a selectable storage medium. Other functions and/or features are apparent.
As shown, in
The digital output, DATA, from the link module 302 consists of a compliant packetized data stream recognized and processable by the transport unit 303. The datastream includes program guide data/information and the data content or one or more program channels of the satellite broadcast service from DirecTV™. Program guide data contains information relating to the type of program. The function of the transport unit 303 is the same as the transport system 25 of
The transport unit 303 is controlled by an Advanced RISC Microprocessor (ARM) 315 which is a RISC based microprocessor. The ARM processor 315 executes control software residing in ROM 308 using DRAM 319 for storing intermediate results generated during control software execution. Exemplary components of the software may be, for example, control programs shown in
The MPEG compatible, compressed audio and video packets from the transport unit 303 are delivered to an MPEG decoder 304. The MPEG decoder decodes the compressed MPEG datastream from the transport unit 303. The decoder 304 then outputs the applicable audio stream which can be further processed by the audio digital-to-analog converter (DAC) 305 to convert the digital audio data into analog sound. The decoder 304 also outputs application digital video data which represents image pixel information to a NTSC encoder 306. The NTSC encoder 306 then further processes this video data into NTSC compatible analog video signal so that video images may be displayed on a regular NTSC television screen. The MPEG decoder also provides the decoded program data. The MPEG decoder may be implemented as an integrated circuit. One exemplary embodiment may be an MPEG decoder IC manufactured by SGS-Thomson Microelectronics.
Included in the MPEG processor 34 is an OSD processor 320. The OSD processor 320 reads data from SDRAM 316 which contains stored OSD information. OSD information corresponds to bitmap OSD graphics/text images. The OSD processor is capable of varying the color and/or translucency of each pixel of an OSD image under the control of the ARM microprocessor 315 in a conventional manner.
The program/flow chart 400 begins at block 402 wherein the television apparatus is tuned to a television channel. This may be in response to a user command or from an automatic or generated command by the television apparatus or an external, component in communication with the television apparatus. As provided in block 404, during tuning of a television channel and/or shortly thereafter, program data or information is obtained for a current program provided on the particular tuned television channel. The programs data may be provided in the television signal for the television channel or may be provided in another television channel signal. In any case, program information for the currently tuned television channel may be displayed as provided in block 406. This is typically accomplished automatically. Moreover, such information is typically displayed for only a particular time period.
In block 408, updated program information for programs on the currently tuned television channel is received. In block 409, the television apparatus determines a next program on the currently tuned television channel. The receipt of updated program information may be either automatic (i.e. pushed to the television apparatus), or is obtained or acquired by the television apparatus such as within a time interval before the end of a current program on a currently tuned television channel. In block 410, in response to the receipt of updated program information, next program information for a next television program on the currently tuned television channel is displayed. Display of the next program information is provided for a default period of time, or for a user-selectable period of time via an on-screen menu. Other options such as how long before the end of a current program should the next program information start to be displayed, whether or not it should be displayed at all (enable/disable), and otherwise.
The program/flow chart 600 begins at block 602 wherein a user tunes to a program being provided on the program receiver. In block 604, PSIP data for the current program (including EITs) is acquired. The PSIP data is used to provide current program information display and to determine whether updated program information has been received. As indicated in
In branch 605 of the flow chart 600, however, un-requested updated program information/guide data has not been received. Then from block 604, block 608 is executed. Within a time period, here indicated as one (1) minute, before the current program ends, new PSIP data is acquired. The time period may be selectable by the user via an on-screen menu. Thereafter, in block 610, a channel/program banner containing new or next program information is then displayed.
In branch 607 of the flow chart 600, un-requested updated program information/guide data has been automatically received by the television apparatus. Particularly, in block 612, updated guide information is pushed to the television apparatus by the broadcaster. In response thereto, the television apparatus determines, in block 614, whether the program banner is currently being displayed (up). If the banner is currently being displayed (YES) then in block 616, the banner information currently being displayed is updated to reflect next program information for the particular television, channel. If, in block 614, the banner is not currently being displayed (NO) then program flow proceeds to block 610 as described above.
While this invention has been described as having a preferred design, the present invention can be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, of adaptations of the invention using its general principles. Further, this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains and that fall within the limits of the appended claims.
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|U.S. Classification||725/50, 725/131, 725/40, 725/151, 725/43, 725/139|
|International Classification||H04N7/025, H04N7/10, G06F3/00, G06F13/00, H04N7/16, H04N5/445|
|Cooperative Classification||H04N21/4823, H04N21/488, H04N21/4316, H04N21/4345, H04N5/44591, H04N5/44543|
|European Classification||H04N5/445W, H04N5/445M, H04N21/482|
|Apr 26, 2006||AS||Assignment|
Owner name: THOMSON LICENSING S.A., FRANCE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAWKINS, BRET DAVID;TENBARGE, JAMES DUANE;REEL/FRAME:017851/0836
Effective date: 20041210
|Oct 9, 2015||FPAY||Fee payment|
Year of fee payment: 4
|Apr 21, 2017||AS||Assignment|
Owner name: THOMSON LICENSING, FRANCE
Free format text: CHANGE OF NAME;ASSIGNOR:THOMSON LICENSING S.A.;REEL/FRAME:042303/0268
Effective date: 20100505
|Jul 22, 2017||AS||Assignment|
Owner name: THOMSON LICENSING DTV, FRANCE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:THOMSON LICENSING;REEL/FRAME:043302/0965
Effective date: 20160104